OpenStack / Cloud / Virtualizaton / Linux

OpenStack Ironic: Manual Node Tagging and Mapping

Some of the OpenStack director guides that I have seen and read suggest using ACH Tools to perform role matching, which matches Ironic nodes to the most appropriate roles (flavors) bases on their CPU, Memory, and Disk configurations.

However if you prefer to manually assign a role to a node follow the steps outlined below.

Creating Flavors

Before we can manually assign a role to a flavor, we must first create the flavor. In this example we are going to create 4 flavors.

First lets create the flavor that will be used for our OpenStack Overcloud Controllers.